Year	annual %
2011	1.1608092597441129
2012	-1.6152035603649892
2013	-3.6034038949963616
2014	-1.4016594294164975
2015	-4.669613742751338
2016	-0.9013869618706991
2017	-2.9053691690621264
2018	-2.751060203682016
2019	-0.7146787199416735